you are always right, even this GMAT question.
Yes, E is correct answer. Could you try the similar question as follows and
tell me why you pick it? thanks!!
For many travelers, charter vacations often turn out to cost considerably more than they originally seemed.
(A) they originally seemed
(B) they originally seem to
(C) they seemingly would cost originally
(D) it seemed originally
(E) it originally seemed they would